Primitive Grain Clumps and Organic Compounds in Carbonaceous Chondrites |
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Authors: | F Hoyle NC Wickramasinghe |
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Institution: | (1) Department of Applied Mathematics and Astronomy, University College, Cardiff, U.K. |
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Abstract: | Refractory interstellar grains acquire tarry polymeric coatings in dense protostellar molecular clouds. Collisions between
polymer-coated grains lead to the formation of micron sized grain clumps that are subsequently expelled into the diffuse interstellar
medium. Such grains could contain the building blocks of life such as amino acids in their interiors protected from dissociative
ultraviolet radiation.
This revised version was published online in July 2006 with corrections to the Cover Date. |
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